import Vue from 'vue'
import axios from 'axios'
import { Toast } from 'vant';
Vue.use(Toast)

axios.defaults.timeout = 5000; // 请求超时
axios.defaults.baseURL ='http://yuchenapp.free.idcfengye.com/mall'; //填写域

//http request 拦截器
axios.interceptors.request.use(
  config => {
    // config.data=JSON.stringify(config.data);
    config.headers = {
      'Content-Type':'application/x-www-form-urlencoded',
    }
    return config;
  },
  error => {
    return Promise.reject(err);
  }
);

//响应拦截器即异常处理
axios.interceptors.response.use(response => {
    return response.data;
}, err => {
  if (err && err.response) {
    switch (err.response.status) {
      case 400:
        console.log('错误请求')
        Toast('错误请求')
        break;
      case 401:
        console.log('未授权，请重新登录')
        Toast('未授权，请重新登录')
        break;
      case 403:
        console.log('拒绝访问')
        Toast('拒绝访问')
        break;
      case 404:
        console.log('请求错误,未找到该资源')
        Toast('请求错误,未找到该资源')
        break;
      case 405:
        console.log('请求方法未允许')
        Toast('请求方法未允许')
        break;
      case 408:
        console.log('请求超时')
        Toast('请求超时')
        break;
      case 500:
        console.log('服务器端出错')
        Toast('服务器端出错')
        break;
      case 501:
        console.log('网络未实现')
        Toast('网络未实现')
        break;
      case 502:
        console.log('网络错误')
        Toast('网络错误')
        break;
      case 503:
        console.log('服务不可用')
        Toast('服务不可用')
        break;
      case 504:
        console.log('网络超时')
        Toast('网络超时')
        break;
      case 505:
        console.log('http版本不支持该请求')
        Toast('http版本不支持该请求')
        break;
      default:
        console.log(`连接错误${err.response.status}`)
    }
  } else {
    onsole.log(err)
    console.log('连接到服务器失败')
  }
  return Promise.resolve(err.response)
})

/**
 * 封装get方法
 * @param url
 * @param data
 * @returns {Promise}
 */

export function get(url,params={}){
  let toast = Toast.loading({mask: true,message: '加载中...'})
  return new Promise((resolve,reject) => {
    axios.get(url,{
      params:params
    })
      .then(response => {
        toast.clear()
        resolve(response.data);
      })
      .catch(err => {
        toast.clear()
        reject(err)
      })
  })
}

/**
 * 封装post请求
 * @param url
 * @param data
 * @returns {Promise}
 */

export function post(url,data = {},show=true){
  let toast
  if(show){
    toast = Toast.loading({mask: true,message: '加载中...'})
  }
  return new Promise((resolve,reject) => {
    axios.post(url,data)
      .then(response => {
        if(show) {
          toast.clear()
        }
        resolve(response);
      },err => {
        if(show) {
          toast.clear()
        }
        reject(err)
      })
  })
}

/**
 * 封装patch请求
 * @param url
 * @param data
 * @returns {Promise}
 */

export function patch(url,data = {}){
  return new Promise((resolve,reject) => {
    axios.patch(url,data)
      .then(response => {
        resolve(response.data);
      },err => {
        reject(err)
      })
  })
}

